Add some examle scripts

[ppin.git] / contrib / go.sh

diff --git a/contrib/go.sh b/contrib/go.sh
new file mode 100755 (executable)
index 0000000..603eb6d
--- /dev/null
+++ b/contrib/go.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+[ -w /dev/ppin ] || exit 1
+
+export LC_ALL=C
+
+function set_ppin_up_to()
+{
+       declare -i count="$1"
+       declare -i n=0
+       while [ $n -lt 8 ]; do
+               [ $n -lt $count ] \
+                       && echo "$n on" >/dev/ppin \
+                       || echo "$n off" >/dev/ppin
+       n=$n+1
+       done
+}
+
+while true; do
+       for i in 0 1 2 3 4 5 6 7; do
+               set_ppin_up_to $i
+               sleep 1
+       done
+       for i in 7 6 5 4 3 2 1 0; do
+               set_ppin_up_to $i
+               sleep 1
+       done
+done